<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
		<script src="https://cdn.jsdelivr.net/npm/vue"></script>
		<title>事件监听器</title>
	</head>
	<body>
		<div id="app">
			<p> {{message}}</p>
			<input v-model="message" />
		</div>
	</body>
	<script>
		var app = new Vue({
			el: '#app',
			data: {
				message: 'Hello'
			}
		})
	</script>
</html>